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The Pornichet beacon on the Boulevard des Océanides, town of Pornichet, Loire Atlantique department, France
Confident female workers use instruments and flat panels to measure data
Triangulation Pillar marking the summit of Windy Hill - the highest point on the Isle of Bute, Scotland.
Launch pad allowing the descent of lifeboat built in 1870.
A memorial obelisk and tree at the top of One Tree Hill, Auckland, New Zealand.
A vertical shot of the details of Salamanca Castilla la Mancha Spain
Conero Park - Marche
Madonna di Vitaleta's chapel, val d'orcia, siena, Tuscany, italy
Belper War Memorial in Derbyshire, England, with names visible.
abandoned french bunker from the Ligne Maginot
Singular trees in the Valley of Batuecas, Spain
Stones stacked on top of a mountain. The summit in central europe. Season of the summer.
LONDON BUS
Old stone with a hiking trail mark surrounded with green grass
Crew replacing rotor blade assembly on giant wind turbine, Aerial view. The huge scale of these machines is amazing. The human technicians on the ground are about the size of ants by comparison.
Gsm station
One of several observation towers located at Fort Casey State Park on Whidbey Island in Washington State.  Fort Casey was part of the Triangle of Fire, which consisted of three military forts that protected the entrance to the Puget Sound during WWI and WWII.
Blue sky background
Aerial drone view of a radio/cellular tower on the Atlantic coast.
Five decor
Vernazza, Italy - October 10, 2019: Doria Castle Tower Overlooking Vernazza in Cinque Terre, Italy
Kopu lighthouse at Hiiumaa, Estonia.
Man hikes up grassy meadow towards mountain summit, Swiss Alps in summer
guidepost in thailand
A field with a high seat for hunters in Germany.
Panorama view from the roof of the destroyed power plant building. Chigirin nuclear.
Top of High Junk peak, towering 344 metres, one of the three treacherous peaks in Hong Kong . It is the number one attraction of Clear Water Bay Country Park, Sai Kung, New Territories, Hong Kong.
Torre mountain peak of Serra da Estrela or Star Mountain Range. The highest place in Continental Portugal. Place to visit.
salvador, bahia, brazil - january 11, 2021: rust is seen on a pole in the city of Salvador.
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Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
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Delaunay Triangulation (25 Points).svg
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Delaunay Triangulation (100 Points).svg
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Yellowstone_National_Park,_Wyoming._From_Inspiration_Point.U.S._Geological_and_Geographical_Survey_of_the_Territories_(Hayden_Survey).jpg
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3rd class triangulation point in Shiroyama Park in Inagi.jpg
2nd class of triangulation point on Mt. Takao taken in 2009.jpg
2nd class of triangulation point on Mt. Takao taken in 2009 (wide range).jpg
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Queensland State Archives 3094 Bridge Board inspection of the triangulation survey at Kangaroo Point Brisbane 27 June 1934.png
Misslareuth Kirche.JPG
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Gohlig Goldene Höhe Triangulationssäule WP.JPG
Devět skal (836 m), pohled na skálu s triangulačním bodem.jpg
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1855_U.S._Coast_Survey_Chart_or_Map_of_Tampa_Bay,_Florida_-_Geographicus_-_TampaBay-uscs-1855.jpg
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1853_U.S._Coast_Survey_Map_of_Cape_Fear,_North_Carolina_-_Geographicus_-_CapeFear2-uscs-1853.jpg
1857_U.S._Coast_Survey_Map_of_Monterey_Bay,_California_-_Geographicus_-_MonterayBay-usca-1857.jpg
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1856_U.S._Coast_Survey_Map_of_Mobile_Bay,_Alabama_-_Geographicus_-_MobileBay-uscs-1856.jpg
1862_U.S._Coast_Survey_Map_of_the_Kennebec_and_Sheepscot_Rivers,_Maine_(Nautical_Chart)_-_Geographicus_-_KennebecSheepscot-uscs-1862.jpg
1873_U.S._Coast_Survey_Chart_or_Map_of_Long_Island,_New_York_-_Geographicus_-_LongIsland-uscs-1873.jpg
1859_U.S._Coast_Survey_Chart_or_Map_of_Hempstead_Harbor,_Long_Island,_New_York_-_Geographicus_-_HempsteadHarbor-uscs-1859.jpg
1857_U.S.C.S._Map_of_Beaufort_Harbor,_North_Carolina_-_Geographicus_-_BeaufortHarbor-uscs-1857.jpg
1862_U.S.Coast_Survey_Map_of_the_Southern_Part_of_San_Francisco_Bay_-_Geographicus_-_UpperSanFranBay-uscs-1862.jpg
1857_U.S._Coast_Survey_Map_of_Matagorda_Bay_and_Lavaca_Bay,_Texas_-_Geographicus_-_MatagordaBay-uscs-1857.jpg
1857_U.S.C.S._Map_of_San_Diego_Bay,_California_-_Geographicus_-_SanDiegoBay-uscs-1857.jpg
1857_U.S.C.S._Map_of_Cape_Fear,_North_Carolina_-_Geographicus_-_CapeFearRiver-uscs-1857.jpg
1857_U.S._Coast_Survey_Map_or_Chart_of_the_Entrance_to_the_York_River,_Virginia_-_Geographicus_-_YorkRiver-uscs-1857.jpg
1861_U.S.C.S._Map_of_New_York_City_Bay_and_Harbor_-_Geographicus_-_NewYorkBayHarbor3-uscs-1861.jpg
1866_U.S._Coast_Survey_Map_of_Nantucket_Harbor,_Nantucket_-_Geographicus_-_NantucketHarbor-uscs-1866.jpg
1866_U.S.C.S._Map_of_Cape_Fear_and_Vicinity,_North_Carolina_-_Geographicus_-_CapeFearRiver-uscs-1866.jpg
1861_U.S._Coast_Survey_Map_of_New_York_City_Bay_and_Harbor_-_Geographicus_-_NewYorkBayHarbor4-uscs-1861.jpg
1857_U.S._Coast_Survey_Map_or_Chart_of_the_Rappahannock_River,_Virginia_-_Geographicus_-_RappahannockRiver-uscs-1857.jpg
1857_U.S._Coast_Survey_Map_or_Chart_of_the_Rapphannock_River_South,_Virginia_-_Geographicus_-_RappahannockRiverS-uscs-1857.jpg
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